Solution:
Warm-blooded animals (homeotherms) regulate their body temperature. Poikilotherms (cold-blooded animals) are thermoconformers and cannot regulate their body temperature.
Animals which regulate their body temperature are called
Warm-blooded animals (homeotherms) regulate their body temperature. Poikilotherms (cold-blooded animals) are thermoconformers and cannot regulate their body temperature.